The Torx keys are made of high-quality chrome-vanadium-steel and are almost indestructible.
You can buy them as a set or some as single items.
You will need these keys when you work on your brake caliper, windscreen, exterior mirror, casing, bag holders, valve cover and so on.
High-quality Allen keys made of chrome-vanadium-steel are...
Part no. 137521:
Adapter from 1/2" to 3/8" to use a...
1/2" or 3/8"
with a large torque adjustment range...